Electric well logging



Feb. 14, 1961 DE WlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 3 LEENDERT de WITT Feb. 14,1961 DE w E 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 5 NR A' N' N o g x! y X $025 LU mum &9 1& '71

B F l6. /3

FIG [2 INVENTOR.

LEENDERT do WITTE M175 & Fig-H ATTORNEY Feb. 14, 1961 DE wlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 6 RECORDER M e N' M e N 4 2 I FIG. /4 MA A M N' FIG. 15

INVENTOR.

LEEN DERT d9 WIT TE BY JWW ATTORNEY Feb. 14, 1961 L. DE WlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 7 OHM METERS Df (28'') I5 MILLIVOLT IN VEN TOR.

LEENDERT de WITT A TTORNE Y RI/RM Feb. 14, 1961 35 WITTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 8 4.35 5 IO 25 5OBO|25 RNL/RM= Lo I I0 I00 RL IRM FIG. I70

INVENTOR.

LEENDEDT de WITTE ATTORNEY Feb. 14-, 1961 DE wlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 9 m I 2 I0 I00 RT/RM FIG. /7b

INVENTOR.

LEENDERT deWITT ATTORNEY Feb. 14, 1961 DE WlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 10 U 2 a: l as m O I) ll 2 O: E. II

Ina/40a INVENTOR.

LEENDERT deWlTTE A TTORNEY Feb. 14, 1961 I L. DE WlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 11 DO=IO DI/DO=4 RI/RM INVENTOR.

LEENDERT deWlTTE ATTORNEY ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 12 RI/RM INVENTOR.

LEENDERT deWlTTE ATTORNEY Feb. 14, 1961 L. DE WlTTE 2,972,101

ELECTRIC WELL LOGGING I Filed June 28, 1955 24 Sheets-Sheet 13 ROf/RM RT/RM FIG. /80

I N VEN TOR.

LEENDERT de WITT BY J l ATTORNE V Feb. 14, 1961 Filed June 28. 1955 RI/RM 24 Sheets-Sheet 14 RNL/RM I I0 I00 RL /RM IN VEN TOR.

LEENDERT deW\TT BY? J ATTORNEY Feb. 14, 1961 DE wlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet. 15

RNL/RM m I I0 :00

RT/RM FIG. /9b

INVENTOR.

LEENDERT de WITTE ATTORNEY Feb. 14, 1961 DE wlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 16 E m 2 Q) Q N o m w r N 0 WEI/JG H INVENTOR.

LEENDEDT deWlTTE Feb. 14, 1961 DE w 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 17 IO" NORMAL DO=8.5 RI/RM= 6 RN/RM FIG. 20

INVENTOR.

LEENDERT deWlTTE A TTORNEY Feb. 14, 1961 DE WlTTE 2,972,101

ELECTRIC WELL LOGGING Filed Jim 28, 1955 24 Sheets-Sheet 18 28" SHORT LATERAL DO=8.5 RI/RM=5 RL/RM DI/DO INVENTOR.

LEENDEDT deWlTTE ATTORNEY Feb. 14, 1961 DE WlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 19 28" DIFFERENTIAL DO=8.5 RI/RM=5 RDf/RM DI/DO FIG. 22

INVENTOR.

LEENDERT do WTTE Feb. 14 1961 L. DE WlTTE 2,972,101

ELECTRIC WELL LOGGING Filed June 28, 1955 24 Sheets-Sheet 20 28"DIFFERENTIAL W =l.O

RM /RM I I0 I00 R I RM INVENTOR.

LEENDERT deWlTTE ATTORNEY 

